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performance: explicit sleep in Mpp::get_frame #7
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Move msleep() to non MPP_POLL_BLOCK (cv wait) branch. Issue rockchip-linux/mpp#6
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ydirson
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in BladeGroup/mpp
Sep 4, 2018
The soc_name we read from device-tree is NUL-separated so we need to replace intervening NUL chars, but we don't want to replace the last one, or the next call to strstr() will overflow the buffer. Detected with address-sanitizer: ==3271==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x7f940026a0 at pc 0x7f97df7160 bp 0x7fee1fa8e0 sp 0x7fee1fa958 READ of size 97 at 0x7f940026a0 thread T0 #0 0x7f97df715f (/usr/lib/libasan.so.3+0x4215f) #1 0x7f97df745b in __interceptor_strstr (/usr/lib/libasan.so.3+0x4245b) #2 0x7f97d6b27b in MppPlatformService::MppPlatformService() (/usr/lib/librockchip_mpp.so.1+0x8727b) #3 0x7f97d6b64f in mpp_get_vcodec_type (/usr/lib/librockchip_mpp.so.1+0x8764f) #4 0x7f97d38da3 in hal_h264d_init (/usr/lib/librockchip_mpp.so.1+0x54da3) 0x7f940026a0 is located 0 bytes to the right of 96-byte region [0x7f94002640,0x7f940026a0) allocated by thread T0 here: #0 0x7f97e6445b in __interceptor_posix_memalign (/usr/lib/libasan.so.3+0xaf45b) #1 0x7f97d6ed13 in os_malloc (/usr/lib/librockchip_mpp.so.1+0x8ad13) #2 0x7f97d6e54b in mpp_osal_malloc (/usr/lib/librockchip_mpp.so.1+0x8a54b) #3 0x7f97d6b1d7 in MppPlatformService::MppPlatformService() (/usr/lib/librockchip_mpp.so.1+0x871d7) #4 0x7f97d6b64f in mpp_get_vcodec_type (/usr/lib/librockchip_mpp.so.1+0x8764f) #5 0x7f97d38da3 in hal_h264d_init (/usr/lib/librockchip_mpp.so.1+0x54da3) #6 0x7f97d387c7 in mpp_hal_init (/usr/lib/librockchip_mpp.so.1+0x547c7) #7 0x7f97d02ad3 in mpp_dec_init (/usr/lib/librockchip_mpp.so.1+0x1ead3) #8 0x7f97cfda3f in Mpp::init(MppCtxType, MppCodingType) (/usr/lib/librockchip_mpp.so.1+0x19a3f) #9 0x7f97d0056f in mpp_init (/usr/lib/librockchip_mpp.so.1+0x1c56f) #10 0x404347 in mpi_dec_test_decode (/home/root/rockchip-mpp-test/mpi_dec_test+0x404347) #11 0x4057b3 in main (/home/root/rockchip-mpp-test/mpi_dec_test+0x4057b3) #12 0x7f97bba563 in __libc_start_main (/lib/libc.so.6+0x1f563) #13 0x402217 (/home/root/rockchip-mpp-test/mpi_dec_test+0x402217) SUMMARY: AddressSanitizer: heap-buffer-overflow (/usr/lib/libasan.so.3+0x4215f) Shadow bytes around the buggy address: 0x1ff2800480: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x1ff2800490: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x1ff28004a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x1ff28004b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x1ff28004c0: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 =>0x1ff28004d0: 00 00 00 00[fa]fa fa fa fa fa fa fa 00 00 00 00 0x1ff28004e0: 00 00 00 00 00 00 00 00 fa fa fa fa fa fa fa fa 0x1ff28004f0: 00 00 00 00 00 00 00 00 00 00 00 00 fa fa fa fa 0x1ff2800500: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x1ff2800510: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x1ff2800520: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Signed-off-by: Yann Dirson <yann@blade-group.com>
HermanChen
pushed a commit
that referenced
this pull request
Sep 5, 2018
The soc_name we read from device-tree is NUL-separated so we need to replace intervening NUL chars, but we don't want to replace the last one, or the next call to strstr() will overflow the buffer. Detected with address-sanitizer: ==3271==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x7f940026a0 at pc 0x7f97df7160 bp 0x7fee1fa8e0 sp 0x7fee1fa958 READ of size 97 at 0x7f940026a0 thread T0 #0 0x7f97df715f (/usr/lib/libasan.so.3+0x4215f) #1 0x7f97df745b in __interceptor_strstr (/usr/lib/libasan.so.3+0x4245b) #2 0x7f97d6b27b in MppPlatformService::MppPlatformService() (/usr/lib/librockchip_mpp.so.1+0x8727b) #3 0x7f97d6b64f in mpp_get_vcodec_type (/usr/lib/librockchip_mpp.so.1+0x8764f) #4 0x7f97d38da3 in hal_h264d_init (/usr/lib/librockchip_mpp.so.1+0x54da3) 0x7f940026a0 is located 0 bytes to the right of 96-byte region [0x7f94002640,0x7f940026a0) allocated by thread T0 here: #0 0x7f97e6445b in __interceptor_posix_memalign (/usr/lib/libasan.so.3+0xaf45b) #1 0x7f97d6ed13 in os_malloc (/usr/lib/librockchip_mpp.so.1+0x8ad13) #2 0x7f97d6e54b in mpp_osal_malloc (/usr/lib/librockchip_mpp.so.1+0x8a54b) #3 0x7f97d6b1d7 in MppPlatformService::MppPlatformService() (/usr/lib/librockchip_mpp.so.1+0x871d7) #4 0x7f97d6b64f in mpp_get_vcodec_type (/usr/lib/librockchip_mpp.so.1+0x8764f) #5 0x7f97d38da3 in hal_h264d_init (/usr/lib/librockchip_mpp.so.1+0x54da3) #6 0x7f97d387c7 in mpp_hal_init (/usr/lib/librockchip_mpp.so.1+0x547c7) #7 0x7f97d02ad3 in mpp_dec_init (/usr/lib/librockchip_mpp.so.1+0x1ead3) #8 0x7f97cfda3f in Mpp::init(MppCtxType, MppCodingType) (/usr/lib/librockchip_mpp.so.1+0x19a3f) #9 0x7f97d0056f in mpp_init (/usr/lib/librockchip_mpp.so.1+0x1c56f) #10 0x404347 in mpi_dec_test_decode (/home/root/rockchip-mpp-test/mpi_dec_test+0x404347) #11 0x4057b3 in main (/home/root/rockchip-mpp-test/mpi_dec_test+0x4057b3) #12 0x7f97bba563 in __libc_start_main (/lib/libc.so.6+0x1f563) #13 0x402217 (/home/root/rockchip-mpp-test/mpi_dec_test+0x402217) SUMMARY: AddressSanitizer: heap-buffer-overflow (/usr/lib/libasan.so.3+0x4215f) Shadow bytes around the buggy address: 0x1ff2800480: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x1ff2800490: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x1ff28004a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x1ff28004b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x1ff28004c0: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 =>0x1ff28004d0: 00 00 00 00[fa]fa fa fa fa fa fa fa 00 00 00 00 0x1ff28004e0: 00 00 00 00 00 00 00 00 fa fa fa fa fa fa fa fa 0x1ff28004f0: 00 00 00 00 00 00 00 00 00 00 00 00 fa fa fa fa 0x1ff2800500: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x1ff2800510: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x1ff2800520: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Change-Id: Ia529035847cc23c612e4039e3d445db9d014d31f Signed-off-by: Yann Dirson <yann@blade-group.com>
HermanChen
pushed a commit
that referenced
this pull request
Nov 1, 2023
Fixed a crash issue in mpp_destroy stage caused by calling members of a recycled parser thread. crash backtrace: #00 pc 00084882 /apex/com.android.runtime/lib/bionic/libc.so (pthread_mutex_lock+6) #1 pc 00081434 /vendor/lib/libmpp.so (mpp_dec_notify_normal(MppDecImpl_t*, unsigned int)+32) #2 pc 0007d6cc /vendor/lib/libmpp.so (mpp_dec_callback_slot(char const*, void*, int, void*)+112) #3 pc 000937f0 /vendor/lib/libmpp.so (mpp_buf_slot_clr_flag+944) #4 pc 000da960 /vendor/lib/libmpp.so (mpp_hevc_unref_frame+168) #5 pc 000d1c50 /vendor/lib/libmpp.so (h265d_deinit+32) #6 pc 00081908 /vendor/lib/libmpp.so (mpp_parser_deinit+40) #7 pc 0007e24c /vendor/lib/libmpp.so (mpp_dec_deinit+548) #8 pc 0006b4f0 /vendor/lib/libmpp.so (Mpp::clear()+104) #9 pc 0006b61c /vendor/lib/libmpp.so (Mpp::~Mpp()+12) #10 pc 0006f7e0 /vendor/lib/libmpp.so (mpp_destroy+152) #11 pc 00003d1c /vendor/bin/mpi_dec_test (dec_decode+984) Change-Id: I985168aa6ef30a265fce17c2d9765c17a24075c8 Signed-off-by: Yanjun Liao <yanjun.liao@rock-chips.com>
Open
HermanChen
added a commit
that referenced
this pull request
Feb 6, 2024
BUG is reported from https://redmine.rock-chips.com/issues/464206 Thread 18 (LWP 2440): #0 __lll_lock_wait (futex=0x7f34000d48, private=0) at lowlevellock.c:52 #1 0x0000007fab5b1540 in __GI___pthread_mutex_lock (mutex=0x7f34000d48) at pthread_mutex_lock.c:115 #2 0x0000007fa9e0299c in dec_vproc_signal (ctx=0x7f34001260) at ../git/mpp/vproc/mpp_dec_vproc.cpp:929 #3 0x0000007fa9df5bdc in mpp_dec_notify (ctx=0x7f602be600, flag=1088) at ../git/mpp/codec/mpp_dec.cpp:956 #4 0x0000007fa9e0ef30 in mpp_buffer_ref_dec (buffer=0x7f6403f6c8, caller=caller@entry=0x7fa9ee300c "mpp_frame_deinit") at ../git/mpp/base/mpp_buffer_impl.cpp:509 #5 0x0000007fa9e0fb84 in mpp_buffer_put_with_caller (buffer=<optimized out>, caller=caller@entry=0x7fa9ee300c "mpp_frame_deinit") at ../git/mpp/base/mpp_buffer.cpp:105 #6 0x0000007fa9e11820 in mpp_frame_deinit (frame=frame@entry=0x7f602ec340) at ../git/mpp/base/mpp_frame.cpp:85 #7 0x0000007fabd6bf4c in rkmpp_release_frame (opaque=<optimized out>, data=0x7f602ba600 <error: Cannot access memory at address 0x7f602ba600>) at src/libavcodec/rkmppdec.c:339 #8 0x0000007fab9547dc in buffer_replace (src=0x0, dst=<optimized out>) at src/libavutil/buffer.c:133 #9 av_buffer_unref (buf=<optimized out>) at src/libavutil/buffer.c:144 #10 0x0000007fac714bb8 in mp_image_destructor (ptr=0x7f60252c80) at ../../../../../../sources/mpv/video/mp_image.c:209 #11 0x0000007fac748d40 in ta_free (ptr=0x7f60252c80) at ../../../../../../sources/mpv/ta/ta.c:244 #12 0x0000007fac715178 in mp_image_unrefp (p_img=p_img@entry=0x7f4c00bfc0) at ../../../../../../sources/mpv/video/mp_image.c:472 #13 0x0000007fac73396c in wlbuf_pool_entry_release (data=0x7f4c00bfa0, wl_buffer=<optimized out>) at ../../../../../../sources/mpv/video/out/wlbuf_pool.c:132 #14 0x0000007fb4cfe328 in ffi_call_SYSV () at ../libffi-3.3/src/aarch64/sysv.S:114 #15 0x0000007fb4cfdb44 in ffi_call_int (cif=cif@entry=0x7f70fdec80, fn=0x7f70fdeca0, orig_rvalue=orig_rvalue@entry=0x0, avalue=0x10, avalue@entry=0x7f70fded50, closure=0x200000001, closure@entry=0x0) at ../libffi-3.3/src/aarch64/ffi.c:747 #16 0x0000007fb4cfdf24 in ffi_call (cif=cif@entry=0x7f70fdec80, fn=<optimized out>, rvalue=rvalue@entry=0x0, avalue=avalue@entry=0x7f70fded50) at ../libffi-3.3/src/aarch64/ffi.c:756 #17 0x0000007faa49c7c0 in wl_closure_invoke (closure=0x7f4c00bff0, flags=<optimized out>, target=<optimized out>, opcode=0, data=<optimized out>) at ../wayland-1.22.0/src/connection.c:1025 #18 0x0000007faa499df0 in dispatch_event (display=display@entry=0x7f4c001d40, queue=<optimized out>) at ../wayland-1.22.0/src/wayland-client.c:1644 #19 0x0000007faa49b2c8 in dispatch_queue (queue=0x7f4c001e30, display=0x7f4c001d40) at ../wayland-1.22.0/src/wayland-client.c:1790 #20 wl_display_dispatch_queue_pending (display=0x7f4c001d40, queue=0x7f4c001e30) at ../wayland-1.22.0/src/wayland-client.c:2032 #21 0x0000007faa49b2f4 in wl_display_dispatch_pending (display=<optimized out>) at ../wayland-1.22.0/src/wayland-client.c:2095 #22 0x0000007fac73e2cc in vo_wayland_dispatch_events (wl=0x7f4c000e40, nfds=nfds@entry=2, timeout=timeout@entry=100) at ../../../../../../sources/mpv/video/out/wayland_common.c:1933 #23 0x0000007fac741d7c in vo_wayland_wait_events_timeout (vo=vo@entry=0x7f600abed0, timeout_ms=timeout_ms@entry=100) at ../../../../../../sources/mpv/video/out/wayland_common.c:2594 #24 0x0000007fac73baf4 in draw_frame (vo=0x7f600abed0, frame=0x7f302063b0) at ../../../../../../sources/mpv/video/out/vo_dmabuf_wayland.c:1113 #25 0x0000007fac7360c4 in render_frame (vo=0x7f600abed0) at ../../../../../../sources/mpv/video/out/vo.c:984 #26 vo_thread (ptr=0x7f600abed0) at ../../../../../../sources/mpv/video/out/vo.c:1123 #27 0x0000007fab5af370 in start_thread (arg=0x7f72ffbe06) at pthread_create.c:477 #28 0x0000007fab51bedc in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone.S:78 Thread 14 (LWP 3455): #0 __lll_lock_wait (futex=0x7f60208040, private=0) at lowlevellock.c:52 #1 0x0000007fab5b1540 in __GI___pthread_mutex_lock (mutex=mutex@entry=0x7f60208040) at pthread_mutex_lock.c:115 #2 0x0000007fa9e0ef48 in mpp_buffer_ref_dec (buffer=0x7f6406fee8, caller=caller@entry=0x7fa9ee1ae7 "check_entry_unused") at ../git/mpp/base/mpp_buffer_impl.cpp:503 #3 0x0000007fa9e0fb84 in mpp_buffer_put_with_caller (buffer=<optimized out>, caller=caller@entry=0x7fa9ee1ae7 "check_entry_unused") at ../git/mpp/base/mpp_buffer.cpp:105 #4 0x0000007fa9e0bf1c in check_entry_unused (entry=0x7f601ef530, impl=0x7f60263ec0) at ../git/mpp/base/mpp_buf_slot.cpp:627 #5 mpp_buf_slot_clr_flag (slots=0x7f60263ec0, index=<optimized out>, type=type@entry=SLOT_QUEUE_USE) at ../git/mpp/base/mpp_buf_slot.cpp:919 #6 0x0000007fa9e00eb0 in dec_vproc_clr_prev0 (ctx=ctx@entry=0x7f34001260) at ../git/mpp/vproc/mpp_dec_vproc.cpp:149 #7 0x0000007fa9e00fd0 in dec_vproc_clr_prev (ctx=ctx@entry=0x7f34001260) at ../git/mpp/vproc/mpp_dec_vproc.cpp:180 #8 0x0000007fa9e012b8 in dec_vproc_thread (data=0x7f34001260) at ../git/mpp/vproc/mpp_dec_vproc.cpp:631 #9 0x0000007fab5af370 in start_thread (arg=0x7f47ffdf16) at pthread_create.c:477 #10 0x0000007fab51bedc in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone.S:78 Signed-off-by: Herman Chen <herman.chen@rock-chips.com> Change-Id: I742e55e745c46a4adb229e2f6f0e2a2c3498e369
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Move msleep() to non MPP_POLL_BLOCK (cv wait) branch.
Issue #6